Home / 31,257.64-43,135.56-17,110.48

Finding the Fourth Proportional to 31,257.64, 43,135.56 and 17,110.48

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Solution

The fourth proportional to 31,257.64, 43,135.56 and 17,110.48 is: 23,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.64 : 43,135.56 = 17,110.48 : x
  2. Step 2: Convert to fraction form
    31,257.64/43,135.56 = 17,110.48/x
  3. Step 3: Cross multiply
    31,257.64x = 43,135.56 × 17,110.48
  4. Step 4: Simplify right side
    31,257.64x = 738,070,136.67
  5. Step 5: Solve for x
    x = 738,070,136.67/31,257.64
  6. Step 6: Final answer
    x = 23,612.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.